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Sat, 18 Oct 2025 10:46:06 -0700 (PDT) Received: from 117.1.168.192.in-addr.arpa ([2600:4808:6353:5c00:1948:1052:f1e9:e23a]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4e8ab114132sm20445161cf.40.2025.10.18.10.46.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Oct 2025 10:46:06 -0700 (PDT) From: Tamir Duberstein Date: Sat, 18 Oct 2025 13:45:21 -0400 Subject: [PATCH v18 10/16] rust: opp: use `CStr::as_char_ptr` Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251018-cstr-core-v18-10-ef3d02760804@gmail.com> References: <20251018-cstr-core-v18-0-ef3d02760804@gmail.com> In-Reply-To: <20251018-cstr-core-v18-0-ef3d02760804@gmail.com> To: Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Greg Kroah-Hartman , "Rafael J. Wysocki" , Luis Chamberlain , Russ Weight , Peter Zijlstra , Ingo Molnar , Will Deacon , Waiman Long , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Christian Brauner , Alexander Viro , Jan Kara , =?utf-8?q?Arve_Hj=C3=B8nnev=C3=A5g?= , Todd Kjos , Martijn Coenen , Joel Fernandes , Carlos Llamas , Suren Baghdasaryan , Jens Axboe , Lorenzo Stoakes , Vlastimil Babka , "Liam R. Howlett" , Uladzislau Rezki , Bjorn Helgaas , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Viresh Kumar , Nishanth Menon , Stephen Boyd , Breno Leitao , Liam Girdwood , Mark Brown , Michael Turquette , David Airlie , Simona Vetter Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-pci@vger.kernel.org, linux-pm@vger.kernel.org, linux-clk@vger.kernel.org, dri-devel@lists.freedesktop.org, Tamir Duberstein X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openssh-sha256; t=1760809527; l=1431; i=tamird@gmail.com; h=from:subject:message-id; bh=W0kd+lIKrES9E6f3i/NvYS4ZToF7HAzoNGFG8gcpmao=; b=U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgtYz36g7iDMSkY5K7Ab51ksGX7hJgs MRt+XVZTrIzMVIAAAAGcGF0YXR0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5AAAA QEAqWyd54iXxQf1W7agZsuXCPqrg/zEyTWXe5pjUlem4d91+xriJLoSF0e5Up8mkLDTG1Mc0sF9 CNvCQrLokrQ8= X-Developer-Key: i=tamird@gmail.com; a=openssh; fpr=SHA256:264rPmnnrb+ERkS7DDS3tuwqcJss/zevJRzoylqMsbc Replace the use of `as_ptr` which works through `::deref()` in preparation for replacing `kernel::str::CStr` with `core::ffi::CStr` as the latter does not implement `Deref`. Signed-off-by: Tamir Duberstein --- rust/kernel/opp.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/rust/kernel/opp.rs b/rust/kernel/opp.rs index 2c763fa9276d..9d6c58178a6f 100644 --- a/rust/kernel/opp.rs +++ b/rust/kernel/opp.rs @@ -13,7 +13,7 @@ cpumask::{Cpumask, CpumaskVar}, device::Device, error::{code::*, from_err_ptr, from_result, to_result, Result, VTABLE_DEFAULT_ERROR}, - ffi::c_ulong, + ffi::{c_char, c_ulong}, prelude::*, str::CString, sync::aref::{ARef, AlwaysRefCounted}, @@ -88,12 +88,12 @@ fn drop(&mut self) { use macros::vtable; /// Creates a null-terminated slice of pointers to [`Cstring`]s. -fn to_c_str_array(names: &[CString]) -> Result> { +fn to_c_str_array(names: &[CString]) -> Result> { // Allocated a null-terminated vector of pointers. let mut list = KVec::with_capacity(names.len() + 1, GFP_KERNEL)?; for name in names.iter() { - list.push(name.as_ptr().cast(), GFP_KERNEL)?; + list.push(name.as_char_ptr(), GFP_KERNEL)?; } list.push(ptr::null(), GFP_KERNEL)?; -- 2.51.1